Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
31
PM2.5
69
*
PM10
80
O3
0.7
CO
9
SO2
20
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
24 Feb
115
Light
Wed
25 Feb
101
Light
Thu
26 Feb
45
Excellent
Fri
27 Feb
63
Good
Sat
28 Feb
62
Good
Sun
1 Mar
61
Good
Mon
2 Mar
26
Excellent
Air quality in the last 12 months (Tieling County)
|
2026/01
|
84
|
89
|
101
|
149
|
97
|
78
|
44
|
60
|
89
|
44
|
34
|
50
|
32
|
40
|
57
|
71
|
66
|
50
|
47
|
62
|
62
|
49
|
66
|
52
|
80
|
130
|
77
|
64
|
77
|
84
|
89
|
|
2025/12
|
61
|
27
|
27
|
50
|
58
|
87
|
111
|
35
|
72
|
138
|
44
|
59
|
100
|
132
|
70
|
93
|
86
|
61
|
72
|
31
|
38
|
45
|
45
|
79
|
54
|
63
|
102
|
111
|
38
|
48
|
32
|
|
2025/11
|
56
|
16
|
40
|
66
|
101
|
62
|
109
|
191
|
45
|
37
|
52
|
95
|
53
|
99
|
96
|
63
|
40
|
63
|
75
|
39
|
67
|
79
|
149
|
218
|
63
|
73
|
35
|
40
|
60
|
44
|
|
|
2025/10
|
46
|
52
|
47
|
48
|
29
|
35
|
52
|
29
|
36
|
43
|
73
|
46
|
62
|
79
|
59
|
51
|
86
|
24
|
33
|
35
|
42
|
43
|
52
|
68
|
100
|
39
|
41
|
86
|
79
|
35
|
48
|
|
2025/09
|
39
|
40
|
44
|
35
|
33
|
37
|
31
|
24
|
35
|
39
|
46
|
45
|
43
|
39
|
20
|
30
|
20
|
19
|
23
|
32
|
34
|
41
|
31
|
27
|
45
|
39
|
37
|
36
|
46
|
45
|
|
|
2025/08
|
35
|
33
|
18
|
14
|
27
|
22
|
21
|
26
|
22
|
28
|
23
|
36
|
30
|
34
|
41
|
24
|
17
|
32
|
38
|
23
|
20
|
16
|
43
|
16
|
15
|
20
|
24
|
13
|
26
|
45
|
20
|
|
2025/07
|
21
|
28
|
16
|
21
|
22
|
16
|
25
|
37
|
44
|
52
|
46
|
44
|
18
|
16
|
18
|
29
|
19
|
25
|
41
|
20
|
27
|
31
|
17
|
20
|
31
|
34
|
34
|
29
|
22
|
13
|
27
|
|
2025/06
|
27
|
51
|
30
|
16
|
39
|
33
|
18
|
38
|
34
|
17
|
27
|
33
|
35
|
41
|
36
|
19
|
45
|
36
|
41
|
19
|
20
|
35
|
38
|
49
|
49
|
46
|
39
|
21
|
37
|
15
|
|
|
2025/05
|
21
|
41
|
34
|
38
|
39
|
39
|
54
|
54
|
50
|
44
|
59
|
63
|
61
|
53
|
58
|
44
|
30
|
36
|
43
|
45
|
45
|
61
|
37
|
52
|
36
|
42
|
56
|
53
|
47
|
55
|
57
|
|
2025/04
|
92
|
67
|
64
|
59
|
43
|
65
|
68
|
73
|
80
|
78
|
63
|
35
|
25
|
32
|
50
|
59
|
73
|
36
|
45
|
56
|
70
|
19
|
46
|
72
|
48
|
66
|
44
|
51
|
81
|
64
|
|
|
2025/03
|
91
|
35
|
39
|
56
|
91
|
83
|
67
|
93
|
121
|
101
|
73
|
98
|
42
|
50
|
45
|
65
|
82
|
67
|
80
|
94
|
79
|
155
|
241
|
91
|
121
|
193
|
59
|
25
|
28
|
30
|
60
|
|
2025/02
|
144
|
193
|
96
|
66
|
55
|
73
|
55
|
53
|
69
|
59
|
64
|
47
|
74
|
94
|
109
|
51
|
26
|
22
|
37
|
47
|
45
|
50
|
49
|
57
|
85
|
62
|
99
|
142
|
|||
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution